<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.6.11"></script>
    <style>
        .v-enter,
        .v-leave-to {
            opacity: 0;
            transform: translateX(150px);
        }
        
        .v-enter-active,
        .v-leave-active {
            transition: all 0.5s ease;
        }
    </style>
</head>

<body>
    <div id="app">
        <a href="" @click.prevent="compName='login'">登录</a>
        <a href="" @click.prevent="compName='register'">注册</a>
        <!-- vue提供了component，来展示对应名称的组件
        component是一个占位符 :is 属性 可以用来指定要展示的组件的名称 -->
        <transition mode="out-in">
            <component :is="compName"></component>
        </transition>
        <!-- 总结：vue中提供的标签
            component 
            template
            transition
            transitionGroup
        -->

    </div>
    <script>
        Vue.component('login', {
            template: '<h1>登录组件</h1>'
        })

        Vue.component('register', {
            template: '<h1>注册组件</h1>'
        })

        var vm = new Vue({
            el: '#app',
            data: {
                compName: 'login'
            },
            methods: {}
        });
    </script>
</body>

</html>